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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from toscaparser.common.exception import ExceptionCollector
from toscaparser.common.exception import InvalidTypeAdditionalRequirementsError
from toscaparser.utils.gettextutils import _
import toscaparser.utils.validateutils as validateutils
log = logging.getLogger('tosca')
class PortSpec(object):
'''Parent class for tosca.datatypes.network.PortSpec type.'''
SHORTNAME = 'PortSpec'
TYPE_URI = 'tosca.datatypes.network.' + SHORTNAME
PROPERTY_NAMES = (
PROTOCOL, SOURCE, SOURCE_RANGE,
TARGET, TARGET_RANGE
) = (
'protocol', 'source', 'source_range',
'target', 'target_range'
)
# TODO(TBD) May want to make this a subclass of DataType
# and change init method to set PortSpec's properties
def __init__(self):
pass
# The following additional requirements MUST be tested:
# 1) A valid PortSpec MUST have at least one of the following properties:
# target, target_range, source or source_range.
# 2) A valid PortSpec MUST have a value for the source property that
# is within the numeric range specified by the property source_range
# when source_range is specified.
# 3) A valid PortSpec MUST have a value for the target property that is
# within the numeric range specified by the property target_range
# when target_range is specified.
@staticmethod
def validate_additional_req(properties, prop_name, custom_def=None, ):
try:
source = properties.get(PortSpec.SOURCE)
source_range = properties.get(PortSpec.SOURCE_RANGE)
target = properties.get(PortSpec.TARGET)
target_range = properties.get(PortSpec.TARGET_RANGE)
# verify one of the specified values is set
if source is None and source_range is None and \
target is None and target_range is None:
ExceptionCollector.appendException(
InvalidTypeAdditionalRequirementsError(
type=PortSpec.TYPE_URI))
# Validate source value is in specified range
if source and source_range:
validateutils.validate_value_in_range(source, source_range,
PortSpec.SOURCE)
else:
from toscaparser.dataentity import DataEntity
portdef = DataEntity('PortDef', source, None, PortSpec.SOURCE)
portdef.validate()
# Validate target value is in specified range
if target and target_range:
validateutils.validate_value_in_range(target, target_range,
PortSpec.TARGET)
else:
from toscaparser.dataentity import DataEntity
portdef = DataEntity('PortDef', source, None, PortSpec.TARGET)
portdef.validate()
except Exception:
msg = _('"%(value)s" do not meet requirements '
'for type "%(type)s".') \
% {'value': properties, 'type': PortSpec.SHORTNAME}
ExceptionCollector.appendException(
ValueError(msg))
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